There are total 3 hours or 180 minutes from 7pm to 10pm. In words, this duration is equal to three hours or one hundred eighty minutes.
How many hours from
| 4AM to 9AM | 4AM to 10AM | 11AM to 3AM |
| 6AM to 5AM | 11PM to 10PM | 6AM to 10PM |
| 6AM to 4PM | 1PM to 9PM | 5AM to 10AM |
| 6AM to 8AM | 12AM to 8AM | 11AM to 5AM |
| 9AM to 3AM | 10AM to 4PM | 1PM to 11PM |
| 2AM to 6AM | 5PM to 12AM | 11PM to 1PM |
